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Effect of packaging and coating on fruit quality changes of loquat during three cold storage regimes

Piga, Antonio <1965- > and D'Aquino, Salvatore and Agabbio, Mario Carlo Salvatore and Continella, Giovanni (1996) Effect of packaging and coating on fruit quality changes of loquat during three cold storage regimes. Advances in Horticultural Science, Vol. 10 (3), p. 120-125. eISSN 1592-1573. Article.

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DOI: 10.1400/75444

Abstract

‘Palermitana’ loquat fruits (Eriobotrya japonica Lindl.) were either coated with an edible coating or wrapped with an extensible PVC film. A third lot of fruits was used as control. Fruits were then cold stored at 2,4 and 8°C for 15 and 30 days plus 1 week of merchandising conditions at 20°C following each storage period. Upon removal, fruits were monitored for percent weight loss, overall appearance, chemical and physiological parameters (CO2 and C2H4 production) as well as rot incidence, flavour alterations and in-package concentrations of oxygen, carbon dioxide and ethylene. Wrapped loquats did not shrivel as packaging achieved a drastic reduction of weight loss, mainly in fruit stored at 2°C. Wrap was also beneficial in maintaining both the external appearance and the original flavour in both control and coated fruits. Coated fruits showed the highest weight loss and the worst appearance and taste. Chemical parameters and respiration rate were mainly affected by temperature. Carbon dioxide concentration within the package ranged from 0.3 to 1.2% and oxygen was about 20%, both in cold storage and in shelf-life periods. Our results show that film packaging could be a suitable tool for prolonging the storage life of loquat fruit.

Item Type:Article
ID Code:1547
Status:Published
Refereed:Yes
Uncontrolled Keywords:Edible coating, Eriobotrya japonica Lindl., flesh browning, plastic film, shrivelling, weight loss
Subjects:Area 07 - Scienze agrarie e veterinarie > AGR/15 Scienze e tecnologie alimentari
Divisions:002 Altri enti e centri di ricerca del Nord Sardegna > CNR-Consiglio Nazionale delle Ricerche > Istituto di scienze delle produzioni alimentari, Sassari
001 Università di Sassari > 01 Dipartimenti > Scienze ambientali agrarie e biotecnologie agro-alimentari
Publisher:Firenze University Press
eISSN:1592-1573
Deposited On:18 Aug 2009 10:05

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